The olinguito is the first carnivore species to be discovered in the Western Hemisphere in 35 years. Courtesy of Mark Gurney hide caption

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Meet The Olinguito, The Newest Member Of The Raccoon Family
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Could the images common in accounts of near-death experiences be explained by a rush of electrical activity in the brain? Odina/iStockphoto.com hide caption

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Brains Of Dying Rats Yield Clues About Near-Death Experiences
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All in the name of science: Volunteers hike in Colorado during their one-week hiatus from electrical lighting. Courtesy of Kenneth Wright hide caption

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"Liver buds" grow in petri dishes. The rudimentary organs are about 5 mm wide, or half the height of a classic Lego block. Courtesy of Takanori Takebe/Yokohama City University Graduate School of Medicine hide caption

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Scientists Grow A Simple, Human Liver In A Petri Dish
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Chimpanzee Toni celebrated his 50th birthday at the Hellabrunn Zoo in Munich on Nov. 22, 2011. Sven Hoppe/DPA/Landov hide caption

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Rule Would List All Chimps As Endangered, Even Lab Animals
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This model of a molar shows color-coded barium banding patterns that reveal weaning age. Ian Harrowell, Christine Austin, Manish Arora/Harvard School of Public Health hide caption

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Scientific Tooth Fairies Investigate Neanderthal Breast-Feeding
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Fungi (cyan) surround a human hair within the skin. A study in the journal Nature shows the population of fungi on human skin is more diverse that previously thought. Alex Valm, Ph.D. hide caption

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Research Reveals Yeasty Beasts Living On Our Skin
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Nanoflowers, each smaller than the thickness of a dollar bill, sprout up spontaneously on a surface dipped in salts and silicon. Courtesy of Wim Noorduin/Harvard University hide caption

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After President Obama overturned Bush-era policy restricting federal funding of embryonic stem cell research in 2009, Nebraska Right to Life led a protest of the research outside the University of Nebraska regents' meeting. Nati Harnik/AP hide caption

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Cloning, Stem Cells Long Mired In Legislative Gridlock
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